8923720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^2$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 21789180

約数和(自身を除く): 12865460

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1310, 1703, 2620, 3406, 5240, 6812, 8515, 13624, 17030, 17161, 34060, 34322, 68120, 68644, 85805, 137288, 171610, 223093, 343220, 446186, 686440, 892372, 1115465, 1784744, 2230930, 4461860, 8923720]

約数ペア:

[(1, 8923720), (2, 4461860), (4, 2230930), (5, 1784744), (8, 1115465), (10, 892372), (13, 686440), (20, 446186), (26, 343220), (40, 223093), (52, 171610), (65, 137288), (104, 85805), (130, 68644), (131, 68120), (260, 34322), (262, 34060), (520, 17161), (524, 17030), (655, 13624), (1048, 8515), (1310, 6812), (1703, 5240), (2620, 3406)]